This .300 Blackout chambered 10.5 inch Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension.
Length 10.5″;Material: 4150 Chrome Moly Vanadium”
Profile: DRP
Finish: QPQ Corrosion Resistant
Twist Rate: 1:7 inches
Gas System Length: Pistol
Muzzle: 5/8×24 Threaded


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